Integrand size = 22, antiderivative size = 429 \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=-\frac {x}{3 c^3 \sqrt {c-a^2 c x^2}}-\frac {x}{30 c^3 (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{15 a c^3 \sqrt {c-a^2 c x^2}}-\frac {16 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}}-\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}} \]
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Time = 0.39 (sec) , antiderivative size = 429, normalized size of antiderivative = 1.00, number of steps used = 15, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5901, 5899, 5913, 3797, 2221, 2317, 2438, 5912, 5914, 39, 40} \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=-\frac {8 \sqrt {a x-1} \sqrt {a x+1} \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {8 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)^2}{15 a c^3 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}-\frac {16 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x) \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}-\frac {x}{3 c^3 \sqrt {c-a^2 c x^2}}-\frac {x}{30 c^3 (1-a x) (a x+1) \sqrt {c-a^2 c x^2}} \]
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Rule 39
Rule 40
Rule 2221
Rule 2317
Rule 2438
Rule 3797
Rule 5899
Rule 5901
Rule 5912
Rule 5913
Rule 5914
Rubi steps \begin{align*} \text {integral}& = \frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{5/2}} \, dx}{5 c}-\frac {\left (2 a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)}{(-1+a x)^3 (1+a x)^3} \, dx}{5 c^3 \sqrt {c-a^2 c x^2}} \\ & = \frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{3/2}} \, dx}{15 c^2}-\frac {\left (2 a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)}{\left (-1+a^2 x^2\right )^3} \, dx}{5 c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (8 a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)}{(-1+a x)^2 (1+a x)^2} \, dx}{15 c^3 \sqrt {c-a^2 c x^2}} \\ & = \frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}-\frac {\left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {1}{(-1+a x)^{5/2} (1+a x)^{5/2}} \, dx}{10 c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (8 a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)}{\left (-1+a^2 x^2\right )^2} \, dx}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (16 a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)}{1-a^2 x^2} \, dx}{15 c^3 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x}{30 c^3 (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {1}{(-1+a x)^{3/2} (1+a x)^{3/2}} \, dx}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (4 \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {1}{(-1+a x)^{3/2} (1+a x)^{3/2}} \, dx}{15 c^3 \sqrt {c-a^2 c x^2}}-\frac {\left (16 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}(\int x \coth (x) \, dx,x,\text {arccosh}(a x))}{15 a c^3 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x}{3 c^3 \sqrt {c-a^2 c x^2}}-\frac {x}{30 c^3 (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{15 a c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (32 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {e^{2 x} x}{1-e^{2 x}} \, dx,x,\text {arccosh}(a x)\right )}{15 a c^3 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x}{3 c^3 \sqrt {c-a^2 c x^2}}-\frac {x}{30 c^3 (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{15 a c^3 \sqrt {c-a^2 c x^2}}-\frac {16 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (16 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \log \left (1-e^{2 x}\right ) \, dx,x,\text {arccosh}(a x)\right )}{15 a c^3 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x}{3 c^3 \sqrt {c-a^2 c x^2}}-\frac {x}{30 c^3 (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{15 a c^3 \sqrt {c-a^2 c x^2}}-\frac {16 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}}+\frac {\left (8 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {\log (1-x)}{x} \, dx,x,e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x}{3 c^3 \sqrt {c-a^2 c x^2}}-\frac {x}{30 c^3 (1-a x) (1+a x) \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{10 a c^3 \left (1-a^2 x^2\right )^2 \sqrt {c-a^2 c x^2}}+\frac {4 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{15 a c^3 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^2}{5 c \left (c-a^2 c x^2\right )^{5/2}}+\frac {4 x \text {arccosh}(a x)^2}{15 c^2 \left (c-a^2 c x^2\right )^{3/2}}+\frac {8 x \text {arccosh}(a x)^2}{15 c^3 \sqrt {c-a^2 c x^2}}+\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{15 a c^3 \sqrt {c-a^2 c x^2}}-\frac {16 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}}-\frac {8 \sqrt {-1+a x} \sqrt {1+a x} \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{15 a c^3 \sqrt {c-a^2 c x^2}} \\ \end{align*}
Time = 1.07 (sec) , antiderivative size = 220, normalized size of antiderivative = 0.51 \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=-\frac {a x \left (10+\frac {1}{1-a^2 x^2}\right )+2 \left (8 \sqrt {\frac {-1+a x}{1+a x}}+a x \left (-8+8 \sqrt {\frac {-1+a x}{1+a x}}-\frac {3}{\left (-1+a^2 x^2\right )^2}+\frac {4}{-1+a^2 x^2}\right )\right ) \text {arccosh}(a x)^2+\frac {\left (\frac {-1+a x}{1+a x}\right )^{3/2} \text {arccosh}(a x) \left (-11+8 a^2 x^2+32 \left (-1+a^2 x^2\right )^2 \log \left (1-e^{-2 \text {arccosh}(a x)}\right )\right )}{(-1+a x)^3}-16 \sqrt {\frac {-1+a x}{1+a x}} (1+a x) \operatorname {PolyLog}\left (2,e^{-2 \text {arccosh}(a x)}\right )}{30 a c^3 \sqrt {c-a^2 c x^2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(793\) vs. \(2(395)=790\).
Time = 1.23 (sec) , antiderivative size = 794, normalized size of antiderivative = 1.85
method | result | size |
default | \(-\frac {\sqrt {-c \left (a^{2} x^{2}-1\right )}\, \left (8 a^{5} x^{5}-20 a^{3} x^{3}-8 \sqrt {a x -1}\, \sqrt {a x +1}\, a^{4} x^{4}+15 a x +16 a^{2} x^{2} \sqrt {a x -1}\, \sqrt {a x +1}-8 \sqrt {a x -1}\, \sqrt {a x +1}\right ) \left (-64 \,\operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}\, a^{7} x^{7}-64 \,\operatorname {arccosh}\left (a x \right ) a^{8} x^{8}-32 \sqrt {a x +1}\, \sqrt {a x -1}\, a^{7} x^{7}-32 a^{8} x^{8}+248 \,\operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}\, a^{5} x^{5}+280 \,\operatorname {arccosh}\left (a x \right ) a^{6} x^{6}+126 x^{5} a^{5} \sqrt {a x -1}\, \sqrt {a x +1}+142 a^{6} x^{6}+80 a^{4} x^{4} \operatorname {arccosh}\left (a x \right )^{2}-340 a^{3} x^{3} \operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}-456 a^{4} x^{4} \operatorname {arccosh}\left (a x \right )-156 a^{3} x^{3} \sqrt {a x -1}\, \sqrt {a x +1}-265 a^{4} x^{4}-190 a^{2} x^{2} \operatorname {arccosh}\left (a x \right )^{2}+165 a x \,\operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}+328 a^{2} x^{2} \operatorname {arccosh}\left (a x \right )+62 \sqrt {a x -1}\, \sqrt {a x +1}\, a x +235 a^{2} x^{2}+128 \operatorname {arccosh}\left (a x \right )^{2}-88 \,\operatorname {arccosh}\left (a x \right )-80\right )}{30 \left (40 a^{10} x^{10}-215 a^{8} x^{8}+469 a^{6} x^{6}-517 a^{4} x^{4}+287 a^{2} x^{2}-64\right ) c^{4} a}-\frac {16 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right )^{2}}{15 c^{4} a \left (a^{2} x^{2}-1\right )}+\frac {16 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right ) \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{15 c^{4} a \left (a^{2} x^{2}-1\right )}+\frac {16 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{15 c^{4} a \left (a^{2} x^{2}-1\right )}+\frac {16 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right ) \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{15 c^{4} a \left (a^{2} x^{2}-1\right )}+\frac {16 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{15 c^{4} a \left (a^{2} x^{2}-1\right )}\) | \(794\) |
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\[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{2}}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {7}{2}}} \,d x } \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=\text {Timed out} \]
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\[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{2}}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {7}{2}}} \,d x } \]
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Exception generated. \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx=\int \frac {{\mathrm {acosh}\left (a\,x\right )}^2}{{\left (c-a^2\,c\,x^2\right )}^{7/2}} \,d x \]
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